// Copyright 2007-2015 Chris Patterson, Dru Sellers, Travis Smith, et. al.
//  
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the 
// License at 
// 
//     http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
// CONDITIONS OF ANY KIND, either express or implied. See the License for the 
// specific language governing permissions and limitations under the License.
namespace MassTransit.Host
{
    using Autofac;
    using Autofac.Builder;
    using AutofacIntegration;


    public static class ContainerBuilderExtensions
    {
        const string MessageScopeTag = "message";

        public static void RegisterAutofacConsumerFactory(this ContainerBuilder builder)
        {
            // the UseConsumerFactory uses message scope so that related components are all created within the same
            // container lifetime
            builder.RegisterGeneric(typeof(AutofacConsumerFactory<>))
                .WithParameter(new NamedParameter("name", MessageScopeTag))
                .As(typeof(IConsumerFactory<>));
        }

        public static IRegistrationBuilder<TLimit, TActivatorData, TRegistrationStyle> InstancePerMessageScope
            <TLimit, TActivatorData, TRegistrationStyle>(
            this IRegistrationBuilder<TLimit, TActivatorData, TRegistrationStyle> builder)
        {
            return builder.InstancePerMatchingLifetimeScope(MessageScopeTag);
        }
    }
}